Yamaha DVD-S520 Owner's Manual - Page 21

English Before Requesting Service If it appears that the player is faulty, first consult this checklist. Something may have been overlooked. Under no circumstances should you attempt to repair the system yourself. Look for the specific symptom(s).Then perform only the actions listed to remedy the specific symptom(s). Symptom Remedy No power No picture Distorted picture Completely distorted picture or no color with the player menu Distorted or black/white picture with DVD or Video CD No sound Distorted sound from HiFi amplifier No audio at digital output Disc can't be played No return to start-up screen when disc is removed The player does not respond to the remote control Buttons do not work The player does not respond to some operating commands during playback - Make sure the power cord is properly connected. - Check if there is power at the AC outlet by plugging in another appliance. - Check if the TV is switched on. - Check the video connection. - Check the disc for fingerprints and clean the disc with a soft cloth, wiping from the center to the edge in a straight line. - Sometimes a small amount of picture distortion may appear .This is not a malfunction. - If the picture is distorted completely or if the picture rolls vertically, make sure the NTSC/PAL setting at the player matches the video signal of your television. - If your TV video signal is NTSC, select the NTSC setting at the player. - If your video signal is PAL, select the PAL setting. - See NTSC/PAL SETTINGS. - The disc format does not match your TV's video signal (PAL/NTSC). - Check audio connections. - If you are using a HiFi amplifier, try another sound source. - Check to make sure that no audio connections are made to the amplifier's phono input. - Check the digital connections. - Check the settings menu to make sure the digital output is set to ALL or PCM only. - Check if the selected audio format matches your receiver capabilities. - Ensure the disc label is facing up. - Clean the disc. - Check if the disc is defective by trying another disc. - Check to see if the disc is defective, badly scratched or warped (not flat). - Reset the unit by switching the player off, then on again. - Check to see if the program requires another disc to be loaded. - Aim the remote control directly at the sensor on the front of the player. - Remove any obstacles between the player and the remote control. - Inspect or replace the batteries in the remote control. - In order to completely reset the player, unplug the AC cord from the AC outlet. (Please ensure that the set is not in Initial Setup mode.) - Operations may not be permitted by the disc. Refer to the instructions of the disc. BEFORE REQUESTING SERVICE 17